DIFF Subgroup
A23C 19/02 Making cheese curd
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Cheese; Cheese preparations; Making thereof > Making cheese curd
CPC:
Cheese; Cheese preparations; Making thereof (cheese substitutes A23C20/00; preservation of cheese or cheese preparations A23B11/60) > Making cheese curd
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1980.
Child Classifications
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- A23C 19/028 without substantial whey separation from coagulated milk since 1980 +1 CPC IPC+CPC Available in IPC and CPC
- A23C 19/032 characterised by the use of specific microorganisms, or enzymes of microbial origin since 1980 +5 CPC IPC+CPC Available in IPC and CPC
- A23C 19/04 characterised by the use of specific enzymes of vegetable or animal origin (A23C19/032 takes precedence) since 1980 +2 CPC IPC+CPC Available in IPC and CPC
- A23C 19/045 Coagulation of milk without rennet or rennet substitutes since 1980 +1 CPC IPC+CPC Available in IPC and CPC
- A23C 19/05 Treating milk before coagulation; Separating whey from curd since 1980 +4 CPC IPC+CPC Available in IPC and CPC
- A23C 19/055 Addition of non-milk fats or non-milk proteins since 1980 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class A23,2013–2023, worldwide · Source: EPO PATSTAT
- KVASENKOV OLEG IVANOVICH RU 6,158
- NESTLE CH 4,562
- NESTEC CH 3,354
- JIANGNAN UNIVERSITY 2,699
- DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) NL 2,320
- SUNTORY HOLDINGS JP 1,926
- CHINESE ACADEMY OF SCIENCES 1,804
- CJ CHEILJEDANG CORPORATION KR 1,653
- CARGILL US 1,588
- REPUBLIC OF KOREA (RURAL DEVELOPMENT ADMINISTRATION) KR 1,314
Top Applicants (CPC)
Class A23,2013–2023, worldwide · Source: EPO PATSTAT
- NESTLE CH 5,075
- NESTEC CH 3,916
- DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) NL 2,558
- JIANGNAN UNIVERSITY 2,196
- SUNTORY HOLDINGS JP 2,133
- CJ CHEILJEDANG CORPORATION KR 1,842
- CARGILL US 1,708
- REPUBLIC OF KOREA (RURAL DEVELOPMENT ADMINISTRATION) KR 1,341
- CHINESE ACADEMY OF SCIENCES 1,279
- MARS US 1,161